Home / 107,509,241.40-161,263,862.10-39,400,812.60

Finding the Fourth Proportional to 107,509,241.40, 161,263,862.10 and 39,400,812.60

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Solution

The fourth proportional to 107,509,241.40, 161,263,862.10 and 39,400,812.60 is: 59,101,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,509,241.40 : 161,263,862.10 = 39,400,812.60 : x
  2. Step 2: Convert to fraction form
    107,509,241.40/161,263,862.10 = 39,400,812.60/x
  3. Step 3: Cross multiply
    107,509,241.40x = 161,263,862.10 × 39,400,812.60
  4. Step 4: Simplify right side
    107,509,241.40x = 6,353,927,209,754,342
  5. Step 5: Solve for x
    x = 6,353,927,209,754,342/107,509,241.40
  6. Step 6: Final answer
    x = 59,101,218.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.